コード例 #1
0
ファイル: rugged_index.c プロジェクト: fizx/rugged
static VALUE rb_git_index_get(VALUE self, VALUE entry)
{
	git_index *index;
	Data_Get_Struct(self, git_index, index);

	if (TYPE(entry) == T_STRING)
		entry = INT2FIX(git_index_find(index, RSTRING_PTR(entry)));

	Check_Type(entry, T_FIXNUM);
	return rb_git_indexentry_new(git_index_get(index, FIX2INT(entry)));
}
コード例 #2
0
ファイル: index.c プロジェクト: Ferengee/pygit2
PyObject *
IndexIter_iternext(IndexIter *self)
{
    git_index_entry *index_entry;

    index_entry = git_index_get(self->owner->index, self->i);
    if (!index_entry)
        return NULL;

    self->i += 1;
    return wrap_index_entry(index_entry, self->owner);
}
コード例 #3
0
ファイル: git-ls-files.c プロジェクト: chris-y/git2
int cmd_ls_files(int argc, const char **argv)
{
	/* Delete the following line once git tests pass */
	please_git_do_it_for_me();

	int show_cached = 1;

	/* options parsing */
	if (argc > 1) {
		if (argc > 2)
			please_git_do_it_for_me();

		if (strcmp(argv[1], "--stage") == 0 || strcmp(argv[1], "-s") == 0)
			show_cached = 0;
		else if (strcmp(argv[1], "--cached") == 0 || strcmp(argv[1], "-c") == 0)
			show_cached = 1;
		else
			please_git_do_it_for_me();
	}


	git_repository *repo = get_git_repository();

	git_index *index_cur;
	int e = git_repository_index(&index_cur, repo);
	if (e) libgit_error();

	char buf[GIT_OID_HEXSZ+1];

	const char *prefix = get_git_prefix();
	size_t prefix_len = strlen(prefix);

	for (unsigned i = 0; i < git_index_entrycount(index_cur); i++) {
		git_index_entry *gie = git_index_get(index_cur, i);

		if (prefixcmp(gie->path, prefix))
			continue;

		if (!show_cached)
			printf("%06o %s %i\t", gie->mode, git_oid_tostr(buf, GIT_OID_HEXSZ+1, &gie->oid), git_index_entry_stage(gie));

		write_name_quoted(gie->path + prefix_len, stdout, '\n');
	}

	git_index_free(index_cur);

	return EXIT_SUCCESS;
}
コード例 #4
0
ファイル: tree.c プロジェクト: businessintelligence/libgit2
static unsigned int find_next_dir(const char *dirname, git_index *index, unsigned int start)
{
	unsigned int i, entries = git_index_entrycount(index);
	size_t dirlen;

	dirlen = strlen(dirname);
	for (i = start; i < entries; ++i) {
		git_index_entry *entry = git_index_get(index, i);
		if (strlen(entry->path) < dirlen ||
		    memcmp(entry->path, dirname, dirlen) ||
			(dirlen > 0 && entry->path[dirlen] != '/')) {
			break;
		}
	}

	return i;
}
コード例 #5
0
ファイル: git-write-tree.c プロジェクト: chris-y/git2
int cmd_write_tree(int argc, const char **argv)
{
	please_git_do_it_for_me();

	int verify_index = 1;
	if (argc == 1)
		verify_index = 1;
	else if (argc == 2 && strcmp(argv[1], "--missing-ok") == 0 )
		verify_index = 0;
	else
		please_git_do_it_for_me();
	

	char sha1buf[GIT_OID_HEXSZ + 1];

	git_repository *repo = get_git_repository();
	git_index *index_cur;
	int e = git_repository_index(&index_cur, repo);
	if(e != GIT_OK)
		libgit_error();

	/* check the index */
	if (verify_index) {
		git_odb * odb;
		git_repository_odb(&odb, repo);
		for (unsigned i = 0; i < git_index_entrycount(index_cur); i++) {
			git_index_entry *gie = git_index_get(index_cur, i);

			if (git_odb_exists(odb, &gie->oid) != 1) {
				printf("error: invalid object %06o %s for '%s'\n", gie->mode, git_oid_tostr(sha1buf, GIT_OID_HEXSZ+1, &gie->oid), gie->path);
				printf("fatal: git-write-tree: error building trees\n");
				return EXIT_FAILURE;
			}
		}
	}
	
	/* create the tree */
	git_oid oid;
	e = git_tree_create_fromindex(&oid, index_cur);
	if(e != GIT_OK)
		libgit_error();

	printf("%s\n", git_oid_tostr(sha1buf, GIT_OID_HEXSZ+1, &oid));

	return EXIT_SUCCESS;
}
コード例 #6
0
ファイル: index.c プロジェクト: Ferengee/pygit2
PyObject *
Index_getitem(Index *self, PyObject *value)
{
    int idx;
    git_index_entry *index_entry;

    idx = Index_get_position(self, value);
    if (idx == -1)
        return NULL;

    index_entry = git_index_get(self->index, idx);
    if (!index_entry) {
        PyErr_SetObject(PyExc_KeyError, value);
        return NULL;
    }

    return wrap_index_entry(index_entry, self);
}
コード例 #7
0
ファイル: tests.c プロジェクト: Asquera/libgit2
void test_index_tests__add(void)
{
   git_index *index;
   git_filebuf file = GIT_FILEBUF_INIT;
   git_repository *repo;
   git_index_entry *entry;
   git_oid id1;

   /* Intialize a new repository */
   cl_git_pass(git_repository_init(&repo, "./myrepo", 0));

   /* Ensure we're the only guy in the room */
   cl_git_pass(git_repository_index(&index, repo));
   cl_assert(git_index_entrycount(index) == 0);

   /* Create a new file in the working directory */
   cl_git_pass(git_futils_mkpath2file("myrepo/test.txt", 0777));
   cl_git_pass(git_filebuf_open(&file, "myrepo/test.txt", 0));
   cl_git_pass(git_filebuf_write(&file, "hey there\n", 10));
   cl_git_pass(git_filebuf_commit(&file, 0666));

   /* Store the expected hash of the file/blob
   * This has been generated by executing the following
   * $ echo "hey there" | git hash-object --stdin
   */
   cl_git_pass(git_oid_fromstr(&id1, "a8233120f6ad708f843d861ce2b7228ec4e3dec6"));

   /* Add the new file to the index */
   cl_git_pass(git_index_add(index, "test.txt", 0));

   /* Wow... it worked! */
   cl_assert(git_index_entrycount(index) == 1);
   entry = git_index_get(index, 0);

   /* And the built-in hashing mechanism worked as expected */
   cl_assert(git_oid_cmp(&id1, &entry->oid) == 0);

   git_index_free(index);
   git_repository_free(repo);
}
コード例 #8
0
ファイル: general.c プロジェクト: ileitch/meanie
int main (int argc, char** argv)
{
  // ### Opening the Repository

  // There are a couple of methods for opening a repository, this being the simplest.
  // There are also [methods][me] for specifying the index file and work tree locations, here
  // we are assuming they are in the normal places.
  //
  // [me]: http://libgit2.github.com/libgit2/#HEAD/group/repository
  git_repository *repo;
  if (argc > 1) {
    git_repository_open(&repo, argv[1]);
  } else {
    git_repository_open(&repo, "/opt/libgit2-test/.git");
  }

  // ### SHA-1 Value Conversions

  // For our first example, we will convert a 40 character hex value to the 20 byte raw SHA1 value.
  printf("*Hex to Raw*\n");
  char hex[] = "fd6e612585290339ea8bf39c692a7ff6a29cb7c3";

  // The `git_oid` is the structure that keeps the SHA value. We will use this throughout the example
  // for storing the value of the current SHA key we're working with.
  git_oid oid;
  git_oid_fromstr(&oid, hex);

  // Once we've converted the string into the oid value, we can get the raw value of the SHA.
  printf("Raw 20 bytes: [%.20s]\n", (&oid)->id);

  // Next we will convert the 20 byte raw SHA1 value to a human readable 40 char hex value.
  printf("\n*Raw to Hex*\n");
  char out[41];
  out[40] = '\0';

  // If you have a oid, you can easily get the hex value of the SHA as well.
  git_oid_fmt(out, &oid);
  printf("SHA hex string: %s\n", out);

  // ### Working with the Object Database
  // **libgit2** provides [direct access][odb] to the object database.
  // The object database is where the actual objects are stored in Git. For
  // working with raw objects, we'll need to get this structure from the
  // repository.
  // [odb]: http://libgit2.github.com/libgit2/#HEAD/group/odb
  git_odb *odb;
  git_repository_odb(&odb, repo);

  // #### Raw Object Reading

  printf("\n*Raw Object Read*\n");
  git_odb_object *obj;
  git_otype otype;
  const unsigned char *data;
  const char *str_type;
  int error;

  // We can read raw objects directly from the object database if we have the oid (SHA)
  // of the object.  This allows us to access objects without knowing thier type and inspect
  // the raw bytes unparsed.
  error = git_odb_read(&obj, odb, &oid);

  // A raw object only has three properties - the type (commit, blob, tree or tag), the size
  // of the raw data and the raw, unparsed data itself.  For a commit or tag, that raw data
  // is human readable plain ASCII text. For a blob it is just file contents, so it could be
  // text or binary data. For a tree it is a special binary format, so it's unlikely to be
  // hugely helpful as a raw object.
  data = (const unsigned char *)git_odb_object_data(obj);
  otype = git_odb_object_type(obj);

  // We provide methods to convert from the object type which is an enum, to a string
  // representation of that value (and vice-versa).
  str_type = git_object_type2string(otype);
  printf("object length and type: %d, %s\n",
      (int)git_odb_object_size(obj),
      str_type);

  // For proper memory management, close the object when you are done with it or it will leak
  // memory.
  git_odb_object_free(obj);

  // #### Raw Object Writing

  printf("\n*Raw Object Write*\n");

  // You can also write raw object data to Git. This is pretty cool because it gives you
  // direct access to the key/value properties of Git.  Here we'll write a new blob object
  // that just contains a simple string.  Notice that we have to specify the object type as
  // the `git_otype` enum.
  git_odb_write(&oid, odb, "test data", sizeof("test data") - 1, GIT_OBJ_BLOB);

  // Now that we've written the object, we can check out what SHA1 was generated when the
  // object was written to our database.
  git_oid_fmt(out, &oid);
  printf("Written Object: %s\n", out);

  // ### Object Parsing
  // libgit2 has methods to parse every object type in Git so you don't have to work directly
  // with the raw data. This is much faster and simpler than trying to deal with the raw data
  // yourself.

  // #### Commit Parsing
  // [Parsing commit objects][pco] is simple and gives you access to all the data in the commit
  // - the // author (name, email, datetime), committer (same), tree, message, encoding and parent(s).
  // [pco]: http://libgit2.github.com/libgit2/#HEAD/group/commit

  printf("\n*Commit Parsing*\n");

  git_commit *commit;
  git_oid_fromstr(&oid, "f0877d0b841d75172ec404fc9370173dfffc20d1");

  error = git_commit_lookup(&commit, repo, &oid);

  const git_signature *author, *cmtter;
  const char *message;
  time_t ctime;
  unsigned int parents, p;

  // Each of the properties of the commit object are accessible via methods, including commonly
  // needed variations, such as `git_commit_time` which returns the author time and `_message`
  // which gives you the commit message.
  message  = git_commit_message(commit);
  author   = git_commit_author(commit);
  cmtter   = git_commit_committer(commit);
  ctime    = git_commit_time(commit);

  // The author and committer methods return [git_signature] structures, which give you name, email
  // and `when`, which is a `git_time` structure, giving you a timestamp and timezone offset.
  printf("Author: %s (%s)\n", author->name, author->email);

  // Commits can have zero or more parents. The first (root) commit will have no parents, most commits
  // will have one, which is the commit it was based on, and merge commits will have two or more.
  // Commits can technically have any number, though it's pretty rare to have more than two.
  parents  = git_commit_parentcount(commit);
  for (p = 0;p < parents;p++) {
    git_commit *parent;
    git_commit_parent(&parent, commit, p);
    git_oid_fmt(out, git_commit_id(parent));
    printf("Parent: %s\n", out);
    git_commit_free(parent);
  }

  // Don't forget to close the object to prevent memory leaks. You will have to do this for
  // all the objects you open and parse.
  git_commit_free(commit);

  // #### Writing Commits
  //
  // libgit2 provides a couple of methods to create commit objects easily as well. There are four
  // different create signatures, we'll just show one of them here.  You can read about the other
  // ones in the [commit API docs][cd].
  // [cd]: http://libgit2.github.com/libgit2/#HEAD/group/commit

  printf("\n*Commit Writing*\n");
  git_oid tree_id, parent_id, commit_id;
  git_tree *tree;
  git_commit *parent;

  // Creating signatures for an authoring identity and time is pretty simple - you will need to have
  // this to create a commit in order to specify who created it and when.  Default values for the name
  // and email should be found in the `user.name` and `user.email` configuration options.  See the `config`
  // section of this example file to see how to access config values.
  git_signature_new((git_signature **)&author, "Scott Chacon", "*****@*****.**",
      123456789, 60);
  git_signature_new((git_signature **)&cmtter, "Scott A Chacon", "*****@*****.**",
      987654321, 90);

  // Commit objects need a tree to point to and optionally one or more parents.  Here we're creating oid
  // objects to create the commit with, but you can also use
  git_oid_fromstr(&tree_id, "28873d96b4e8f4e33ea30f4c682fd325f7ba56ac");
  git_tree_lookup(&tree, repo, &tree_id);
  git_oid_fromstr(&parent_id, "f0877d0b841d75172ec404fc9370173dfffc20d1");
  git_commit_lookup(&parent, repo, &parent_id);

  // Here we actually create the commit object with a single call with all the values we need to create
  // the commit.  The SHA key is written to the `commit_id` variable here.
  git_commit_create_v(
    &commit_id, /* out id */
    repo,
    NULL, /* do not update the HEAD */
    author,
    cmtter,
    NULL, /* use default message encoding */
    "example commit",
    tree,
    1, parent);

  // Now we can take a look at the commit SHA we've generated.
  git_oid_fmt(out, &commit_id);
  printf("New Commit: %s\n", out);

  // #### Tag Parsing
  // You can parse and create tags with the [tag management API][tm], which functions very similarly
  // to the commit lookup, parsing and creation methods, since the objects themselves are very similar.
  // [tm]: http://libgit2.github.com/libgit2/#HEAD/group/tag
  printf("\n*Tag Parsing*\n");
  git_tag *tag;
  const char *tmessage, *tname;
  git_otype ttype;

  // We create an oid for the tag object if we know the SHA and look it up in the repository the same
  // way that we would a commit (or any other) object.
  git_oid_fromstr(&oid, "bc422d45275aca289c51d79830b45cecebff7c3a");

  error = git_tag_lookup(&tag, repo, &oid);

  // Now that we have the tag object, we can extract the information it generally contains: the target
  // (usually a commit object), the type of the target object (usually 'commit'), the name ('v1.0'),
  // the tagger (a git_signature - name, email, timestamp), and the tag message.
  git_tag_target((git_object **)&commit, tag);
  tname = git_tag_name(tag);    // "test"
  ttype = git_tag_type(tag);    // GIT_OBJ_COMMIT (otype enum)
  tmessage = git_tag_message(tag); // "tag message\n"
  printf("Tag Message: %s\n", tmessage);

  git_commit_free(commit);

  // #### Tree Parsing
  // [Tree parsing][tp] is a bit different than the other objects, in that we have a subtype which is the
  // tree entry.  This is not an actual object type in Git, but a useful structure for parsing and
  // traversing tree entries.
  //
  // [tp]: http://libgit2.github.com/libgit2/#HEAD/group/tree
  printf("\n*Tree Parsing*\n");

  const git_tree_entry *entry;
  git_object *objt;

  // Create the oid and lookup the tree object just like the other objects.
  git_oid_fromstr(&oid, "2a741c18ac5ff082a7caaec6e74db3075a1906b5");
  git_tree_lookup(&tree, repo, &oid);

  // Getting the count of entries in the tree so you can iterate over them if you want to.
  int cnt = git_tree_entrycount(tree); // 3
  printf("tree entries: %d\n", cnt);

  entry = git_tree_entry_byindex(tree, 0);
  printf("Entry name: %s\n", git_tree_entry_name(entry)); // "hello.c"

  // You can also access tree entries by name if you know the name of the entry you're looking for.
  entry = git_tree_entry_byname(tree, "hello.c");
  git_tree_entry_name(entry); // "hello.c"

  // Once you have the entry object, you can access the content or subtree (or commit, in the case
  // of submodules) that it points to.  You can also get the mode if you want.
  git_tree_entry_to_object(&objt, repo, entry); // blob

  // Remember to close the looked-up object once you are done using it
  git_object_free(objt);

  // #### Blob Parsing
  //
  // The last object type is the simplest and requires the least parsing help. Blobs are just file
  // contents and can contain anything, there is no structure to it. The main advantage to using the
  // [simple blob api][ba] is that when you're creating blobs you don't have to calculate the size
  // of the content.  There is also a helper for reading a file from disk and writing it to the db and
  // getting the oid back so you don't have to do all those steps yourself.
  //
  // [ba]: http://libgit2.github.com/libgit2/#HEAD/group/blob

  printf("\n*Blob Parsing*\n");
  git_blob *blob;

  git_oid_fromstr(&oid, "af7574ea73f7b166f869ef1a39be126d9a186ae0");
  git_blob_lookup(&blob, repo, &oid);

  // You can access a buffer with the raw contents of the blob directly.
  // Note that this buffer may not be contain ASCII data for certain blobs (e.g. binary files):
  // do not consider the buffer a NULL-terminated string, and use the `git_blob_rawsize` attribute to
  // find out its exact size in bytes
  printf("Blob Size: %ld\n", git_blob_rawsize(blob)); // 8
  git_blob_rawcontent(blob); // "content"

  // ### Revwalking
  //
  // The libgit2 [revision walking api][rw] provides methods to traverse the directed graph created
  // by the parent pointers of the commit objects.  Since all commits point back to the commit that
  // came directly before them, you can walk this parentage as a graph and find all the commits that
  // were ancestors of (reachable from) a given starting point.  This can allow you to create `git log`
  // type functionality.
  //
  // [rw]: http://libgit2.github.com/libgit2/#HEAD/group/revwalk

  printf("\n*Revwalking*\n");
  git_revwalk *walk;
  git_commit *wcommit;

  git_oid_fromstr(&oid, "f0877d0b841d75172ec404fc9370173dfffc20d1");

  // To use the revwalker, create a new walker, tell it how you want to sort the output and then push
  // one or more starting points onto the walker.  If you want to emulate the output of `git log` you
  // would push the SHA of the commit that HEAD points to into the walker and then start traversing them.
  // You can also 'hide' commits that you want to stop at or not see any of their ancestors.  So if you
  // want to emulate `git log branch1..branch2`, you would push the oid of `branch2` and hide the oid
  // of `branch1`.
  git_revwalk_new(&walk, repo);
  git_revwalk_sorting(walk, GIT_SORT_TOPOLOGICAL | GIT_SORT_REVERSE);
  git_revwalk_push(walk, &oid);

  const git_signature *cauth;
  const char *cmsg;

  // Now that we have the starting point pushed onto the walker, we can start asking for ancestors. It
  // will return them in the sorting order we asked for as commit oids.
  // We can then lookup and parse the commited pointed at by the returned OID;
  // note that this operation is specially fast since the raw contents of the commit object will
  // be cached in memory
  while ((git_revwalk_next(&oid, walk)) == 0) {
    error = git_commit_lookup(&wcommit, repo, &oid);
    cmsg  = git_commit_message(wcommit);
    cauth = git_commit_author(wcommit);
    printf("%s (%s)\n", cmsg, cauth->email);
    git_commit_free(wcommit);
  }

  // Like the other objects, be sure to free the revwalker when you're done to prevent memory leaks.
  // Also, make sure that the repository being walked it not deallocated while the walk is in
  // progress, or it will result in undefined behavior
  git_revwalk_free(walk);

  // ### Index File Manipulation
  //
  // The [index file API][gi] allows you to read, traverse, update and write the Git index file
  // (sometimes thought of as the staging area).
  //
  // [gi]: http://libgit2.github.com/libgit2/#HEAD/group/index

  printf("\n*Index Walking*\n");

  git_index *index;
  unsigned int i, ecount;

  // You can either open the index from the standard location in an open repository, as we're doing
  // here, or you can open and manipulate any index file with `git_index_open_bare()`. The index
  // for the repository will be located and loaded from disk.
  git_repository_index(&index, repo);

  // For each entry in the index, you can get a bunch of information including the SHA (oid), path
  // and mode which map to the tree objects that are written out.  It also has filesystem properties
  // to help determine what to inspect for changes (ctime, mtime, dev, ino, uid, gid, file_size and flags)
  // All these properties are exported publicly in the `git_index_entry` struct
  ecount = git_index_entrycount(index);
  for (i = 0; i < ecount; ++i) {
    git_index_entry *e = git_index_get(index, i);

    printf("path: %s\n", e->path);
    printf("mtime: %d\n", (int)e->mtime.seconds);
    printf("fs: %d\n", (int)e->file_size);
  }

  git_index_free(index);

  // ### References
  //
  // The [reference API][ref] allows you to list, resolve, create and update references such as
  // branches, tags and remote references (everything in the .git/refs directory).
  //
  // [ref]: http://libgit2.github.com/libgit2/#HEAD/group/reference

  printf("\n*Reference Listing*\n");

  // Here we will implement something like `git for-each-ref` simply listing out all available
  // references and the object SHA they resolve to.
  git_strarray ref_list;
  git_reference_list(&ref_list, repo, GIT_REF_LISTALL);

  const char *refname;
  git_reference *ref;

  // Now that we have the list of reference names, we can lookup each ref one at a time and
  // resolve them to the SHA, then print both values out.
  for (i = 0; i < ref_list.count; ++i) {
    refname = ref_list.strings[i];
    git_reference_lookup(&ref, repo, refname);

    switch (git_reference_type(ref)) {
    case GIT_REF_OID:
      git_oid_fmt(out, git_reference_oid(ref));
      printf("%s [%s]\n", refname, out);
      break;

    case GIT_REF_SYMBOLIC:
      printf("%s => %s\n", refname, git_reference_target(ref));
      break;
    default:
      fprintf(stderr, "Unexpected reference type\n");
      exit(1);
    }
  }

  git_strarray_free(&ref_list);

  // ### Config Files
  //
  // The [config API][config] allows you to list and updatee config values in
  // any of the accessible config file locations (system, global, local).
  //
  // [config]: http://libgit2.github.com/libgit2/#HEAD/group/config

  printf("\n*Config Listing*\n");

  const char *email;
  int32_t j;

  git_config *cfg;

  // Open a config object so we can read global values from it.
  git_config_open_ondisk(&cfg, "~/.gitconfig");

  git_config_get_int32(cfg, "help.autocorrect", &j);
  printf("Autocorrect: %d\n", j);

  git_config_get_string(cfg, "user.email", &email);
  printf("Email: %s\n", email);

  // Finally, when you're done with the repository, you can free it as well.
  git_repository_free(repo);

  return 0;
}
コード例 #9
0
ファイル: tree.c プロジェクト: sakari/libgit2
static int write_index(git_oid *oid, git_index *index, const char *base, int baselen, int entry_no, int maxentries)
{
	size_t size, offset;
	char *buffer;
	int nr, error;

	/* Guess at some random initial size */
	size = maxentries * 40;
	buffer = git__malloc(size);
	if (buffer == NULL)
		return GIT_ENOMEM;
		
	offset = 0;
	
	for (nr = entry_no; nr < maxentries; ++nr) {
		git_index_entry *entry = git_index_get(index, nr);

		const char *pathname = entry->path, *filename, *dirname;
		int pathlen = strlen(pathname), entrylen;

		unsigned int write_mode;
		git_oid subtree_oid;
		git_oid *write_oid;
		
		/* Did we hit the end of the directory? Return how many we wrote */
		if (baselen >= pathlen || memcmp(base, pathname, baselen) != 0)
			break;
		
		/* Do we have _further_ subdirectories? */
		filename = pathname + baselen;
		dirname = strchr(filename, '/');

		write_oid = &entry->oid;
		write_mode = entry->mode;

		if (dirname) {
			int subdir_written;

#if 0
			if (entry->mode != S_IFDIR) {
				free(buffer);
				return GIT_EOBJCORRUPTED;
			}
#endif
			subdir_written = write_index(&subtree_oid, index, pathname, dirname - pathname + 1, nr, maxentries);

			if (subdir_written < GIT_SUCCESS) {
				free(buffer);
				return subdir_written;
			}
			
			nr = subdir_written - 1;
			
			/* Now we need to write out the directory entry into this tree.. */
			pathlen = dirname - pathname;
			write_oid = &subtree_oid;
			write_mode = S_IFDIR;
		}

		entrylen = pathlen - baselen;
		if (offset + entrylen + 32 > size) {
			size = alloc_nr(offset + entrylen + 32);
			buffer = git__realloc(buffer, size);
			
			if (buffer == NULL)
				return GIT_ENOMEM;
		}

		offset += write_index_entry(buffer + offset, write_mode, filename, entrylen, write_oid);
	}
	
	error = git_odb_write(oid, index->repository->db, buffer, offset, GIT_OBJ_TREE);
	free(buffer);

	return (error == GIT_SUCCESS) ? nr : error;
}
コード例 #10
0
ファイル: git-checkout.c プロジェクト: chris-y/git2
int cmd_checkout(int argc, const char **argv) 
{
	/* Delete the following line once gits tests pass
	please_git_do_it_for_me();

	if (argc != 1)
		please_git_do_it_for_me();
	*/
	git_index *index;
	git_repository *repo;
	git_index_entry *index_entry;
	git_oid id;
	
	 /* Open the repository */
	if (git_repository_open(&repo, ".git")) {
		libgit_error();
	}

	/* Get the Index file of a Git repository */
	if (git_repository_index(&index,repo)) {
		libgit_error();
	}
	
	/* Find the first index of any entries which point to given path in the Git index */
	if (git_index_find (index, ".git")) {
		libgit_error();
	}

	int i = 0;

	/* get a pointer to one of the entries in the index */
	index_entry = git_index_get(index, i);
	if (index_entry == NULL)
		printf("Out of bound");
	else
		id = index_entry->oid;
	(void)id;
	
	git_reference *symbolic_ref;
	if (git_reference_lookup(&symbolic_ref, repo, "HEAD"))
		libgit_error();

	git_reference *direct_ref;
	if (git_reference_resolve(&direct_ref, symbolic_ref))
		libgit_error();

	const git_oid *oid;
	oid = git_reference_oid(direct_ref);
	if (oid == NULL) {
		printf("Internal error: reference is not direct\n");
		return EXIT_FAILURE;
	}
	
	git_tree *tree;
	/* Lookup a tree object from the repository */
	if (git_tree_lookup(&tree, repo, oid))
		libgit_error();
	
	/* Update the index ?? */
	if (git_index_read(index))
		libgit_error();
	
	git_index_free(index);
	git_tree_close(tree);
	
	return EXIT_SUCCESS;
}
コード例 #11
0
ファイル: tree.c プロジェクト: businessintelligence/libgit2
static int write_tree(git_oid *oid, git_index *index, const char *dirname, unsigned int start)
{
	git_treebuilder *bld = NULL;
	unsigned int i, entries = git_index_entrycount(index);
	int error;
	size_t dirname_len = strlen(dirname);
	const git_tree_cache *cache;

	cache = git_tree_cache_get(index->tree, dirname);
	if (cache != NULL && cache->entries >= 0){
		git_oid_cpy(oid, &cache->oid);
		return find_next_dir(dirname, index, start);
	}

	error = git_treebuilder_create(&bld, NULL);
	if (bld == NULL) {
		return GIT_ENOMEM;
	}

	/*
	 * This loop is unfortunate, but necessary. The index doesn't have
	 * any directores, so we need to handle that manually, and we
	 * need to keep track of the current position.
	 */
	for (i = start; i < entries; ++i) {
		git_index_entry *entry = git_index_get(index, i);
		char *filename, *next_slash;

	/*
	 * If we've left our (sub)tree, exit the loop and return. The
	 * first check is an early out (and security for the
	 * third). The second check is a simple prefix comparison. The
	 * third check catches situations where there is a directory
	 * win32/sys and a file win32mmap.c. Without it, the following
	 * code believes there is a file win32/mmap.c
	 */
		if (strlen(entry->path) < dirname_len ||
		    memcmp(entry->path, dirname, dirname_len) ||
		    (dirname_len > 0 && entry->path[dirname_len] != '/')) {
			break;
		}

		filename = entry->path + dirname_len;
		if (*filename == '/')
			filename++;
		next_slash = strchr(filename, '/');
		if (next_slash) {
			git_oid sub_oid;
			int written;
			char *subdir, *last_comp;

			subdir = git__strndup(entry->path, next_slash - entry->path);
			if (subdir == NULL) {
				error = GIT_ENOMEM;
				goto cleanup;
			}

			/* Write out the subtree */
			written = write_tree(&sub_oid, index, subdir, i);
			if (written < 0) {
				error = git__rethrow(written, "Failed to write subtree %s", subdir);
			} else {
				i = written - 1; /* -1 because of the loop increment */
			}

			/*
			 * We need to figure out what we want toinsert
			 * into this tree. If we're traversing
			 * deps/zlib/, then we only want to write
			 * 'zlib' into the tree.
			 */
			last_comp = strrchr(subdir, '/');
			if (last_comp) {
				last_comp++; /* Get rid of the '/' */
			} else {
				last_comp = subdir;
			}
			error = append_entry(bld, last_comp, &sub_oid, S_IFDIR);
			free(subdir);
			if (error < GIT_SUCCESS) {
				error = git__rethrow(error, "Failed to insert dir");
				goto cleanup;
			}
		} else {
			error = append_entry(bld, filename, &entry->oid, entry->mode);
			if (error < GIT_SUCCESS) {
				error = git__rethrow(error, "Failed to insert file");
			}
		}
	}

	error = git_treebuilder_write(oid, index->repository, bld);
	if (error < GIT_SUCCESS)
		error = git__rethrow(error, "Failed to write tree to db");

 cleanup:
	git_treebuilder_free(bld);

	if (error < GIT_SUCCESS)
		return error;
	else
		return i;
}